.el-select-group{
  margin: 0;
  padding: 0;

  & .el-select-dropdown-item{
    padding-left: 20px;
  }
}

.el-select-group-wrap{
  list-style: none;
  margin: 0;
  padding:0;
}

.el-select-group-title{
  padding-left: 10px;
  font-size: 12px;
  color: #999;
  height: 30px;
  line-height: 30px;
}